Senior Front-end Engineer, AI

Overview

Build and scale advanced UI systems: Design and implement core parts of our front-end architecture with a focus on performance, scalability, and maintainability. Develop interactive product experiences: Build a powerful UI that combines text editing, drag-and-drop slide editing, AI chat, and real-time collaboration. Own our design system: Develop and maintain a scalable component library, and build mechanisms to manage and apply customer-specific branding. Collaborate on product evolution: Work closely with product, design, and AI teams to shape features through rapid iteration and experimentation. Drive engineering excellence: Continuously improve front-end performance, developer experience, code quality standards, and testing practices.

Requirements

• Entrepreneurial mindset with strong ownership, creative thinking, and a pragmatic approach to building and shipping solutions quickly
• 3–5 years of experience building modern front-end applications in SaaS, with strong experience in React, TypeScript, and scalable front-end architectures
• Proven experience developing interactive UI systems (e.g. editors, design tools), including working with APIs and integrating front-end systems into complex backends
• Experience building and maintaining design systems or component libraries, with a strong understanding of modern CSS approaches
• Strong product sense and attention to detail, with a passion for building high-quality user experiences and a high bar for pixel-perfect UI/UX implementation
• Bonus: Experience with real-time collaboration, canvas-based rendering, or tools similar to presentation, design, or document editors
• Residency in Berlin or the surrounding area
• Fluency in English, our primary business language
• Availability to start on short notice

ATS Optimization Keywords

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Hard Skills

• React
• TypeScript
• front-end architecture
• UI systems
• APIs
• CSS
• component libraries
• real-time collaboration
• canvas-based rendering
• SaaS

Soft Skills

• entrepreneurial mindset
• ownership
• creative thinking
• pragmatic approach
• attention to detail
• product sense
• high-quality user experiences
• pixel-perfect UI/UX implementation